[INFO] fetching crate copernica-protocols 0.1.0...
[INFO] documenting copernica-protocols-0.1.0 against 1.76.0 for beta-1.77-rustdoc-1
[INFO] extracting crate copernica-protocols 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate copernica-protocols 0.1.0 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate copernica-protocols 0.1.0
[INFO] finished tweaking crates.io crate copernica-protocols 0.1.0
[INFO] tweaked toml for crates.io crate copernica-protocols 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded copernica-common v0.1.0
[INFO] [stderr]   Downloaded copernica-packets v0.1.0
[INFO] [stderr]   Downloaded bech32 v0.7.3
[INFO] [stderr]   Downloaded cryptoxide v0.3.6
[INFO] [stderr]   Downloaded fern v0.5.9
[INFO] [stderr]   Downloaded keynesis v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a3388b1ee8ea5360900e02b8b5435b918d9bc7b9bef6d824287b6b1cbd35597
[INFO] running `Command { std: "docker" "start" "-a" "0a3388b1ee8ea5360900e02b8b5435b918d9bc7b9bef6d824287b6b1cbd35597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a3388b1ee8ea5360900e02b8b5435b918d9bc7b9bef6d824287b6b1cbd35597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a3388b1ee8ea5360900e02b8b5435b918d9bc7b9bef6d824287b6b1cbd35597", kill_on_drop: false }`
[INFO] [stdout] 0a3388b1ee8ea5360900e02b8b5435b918d9bc7b9bef6d824287b6b1cbd35597
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea60a927b6d3b3ff7b3378ae9e9072a635552abd088d419e0a41e5f3f8b610c3
[INFO] running `Command { std: "docker" "start" "-a" "ea60a927b6d3b3ff7b3378ae9e9072a635552abd088d419e0a41e5f3f8b610c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking cryptoxide v0.3.6
[INFO] [stderr]     Checking bech32 v0.7.3
[INFO] [stderr]     Checking fern v0.5.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking crossbeam-channel v0.5.11
[INFO] [stderr]     Checking copernica-common v0.1.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]     Checking keynesis v1.4.0
[INFO] [stderr]     Checking copernica-packets v0.1.0
[INFO] [stderr]  Documenting copernica-protocols v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(map_first_last)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `copernica-protocols`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.76.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --crate-name copernica_protocols src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=de515a60cbbd2cb5 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-d4cbb8ebf8c675b1.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-2356bd216e5d24ad.rmeta --extern copernica_common=/opt/rustwide/target/debug/deps/libcopernica_common-9dca885db5ab5f26.rmeta --extern copernica_packets=/opt/rustwide/target/debug/deps/libcopernica_packets-7d96768b4b8731fa.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-10fdae1df786920e.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-7fe0807640814e58.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ea60a927b6d3b3ff7b3378ae9e9072a635552abd088d419e0a41e5f3f8b610c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea60a927b6d3b3ff7b3378ae9e9072a635552abd088d419e0a41e5f3f8b610c3", kill_on_drop: false }`
[INFO] [stdout] ea60a927b6d3b3ff7b3378ae9e9072a635552abd088d419e0a41e5f3f8b610c3
[INFO] documenting copernica-protocols-0.1.0 against beta-2024-02-10 for beta-1.77-rustdoc-1
[INFO] extracting crate copernica-protocols 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate copernica-protocols 0.1.0 on toolchain beta-2024-02-10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate copernica-protocols 0.1.0
[INFO] finished tweaking crates.io crate copernica-protocols 0.1.0
[INFO] tweaked toml for crates.io crate copernica-protocols 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-02-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f785f1ede08e0fa56a4d067c6084afd9a72ca8c908f886aebe877189882f27b
[INFO] running `Command { std: "docker" "start" "-a" "5f785f1ede08e0fa56a4d067c6084afd9a72ca8c908f886aebe877189882f27b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f785f1ede08e0fa56a4d067c6084afd9a72ca8c908f886aebe877189882f27b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f785f1ede08e0fa56a4d067c6084afd9a72ca8c908f886aebe877189882f27b", kill_on_drop: false }`
[INFO] [stdout] 5f785f1ede08e0fa56a4d067c6084afd9a72ca8c908f886aebe877189882f27b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-02-10" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b9b5934fefe1d033f6a38cf82b1bb3c9992568fbbbf731201bee3f1bf7c3593
[INFO] running `Command { std: "docker" "start" "-a" "1b9b5934fefe1d033f6a38cf82b1bb3c9992568fbbbf731201bee3f1bf7c3593", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]     Checking cryptoxide v0.3.6
[INFO] [stderr]     Checking bech32 v0.7.3
[INFO] [stderr]     Checking fern v0.5.9
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.11
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking copernica-common v0.1.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]     Checking keynesis v1.4.0
[INFO] [stderr]     Checking copernica-packets v0.1.0
[INFO] [stderr]  Documenting copernica-protocols v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(map_first_last)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `copernica-protocols`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2024-02-10-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2018 --crate-type lib --crate-name copernica_protocols src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=c48b5f09651334d9 -L dependency=/opt/rustwide/target/debug/deps --extern anyhow=/opt/rustwide/target/debug/deps/libanyhow-a3466ae9a2f9d580.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-b50111f4bfb6f6c2.rmeta --extern copernica_common=/opt/rustwide/target/debug/deps/libcopernica_common-37a4994e637189e9.rmeta --extern copernica_packets=/opt/rustwide/target/debug/deps/libcopernica_packets-262997767cc789a3.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-81ebba9c8aa37cb4.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-7502f808f5fce876.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "1b9b5934fefe1d033f6a38cf82b1bb3c9992568fbbbf731201bee3f1bf7c3593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b9b5934fefe1d033f6a38cf82b1bb3c9992568fbbbf731201bee3f1bf7c3593", kill_on_drop: false }`
[INFO] [stdout] 1b9b5934fefe1d033f6a38cf82b1bb3c9992568fbbbf731201bee3f1bf7c3593
